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National Semiconductor - 220V Monolithic Triple Channel 10 MHz CRT DTV Driver

Numéro de référence LM2425
Description 220V Monolithic Triple Channel 10 MHz CRT DTV Driver
Fabricant National Semiconductor 
Logo National Semiconductor 





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LM2425 fiche technique
November 2004
LM2425
220V Monolithic Triple Channel 10 MHz CRT DTV Driver
General Description
The LM2425 is a triple channel high voltage CRT driver
circuit designed for use in DTV applications. The IC contains
three high input impedance, wide band amplifiers which
directly drive the RGB cathodes of a CRT. Each channel has
its gain internally set to −53 and can drive CRT capacitive
loads as well as resistive loads present in other applications,
limited only by the package’s power dissipation.
The IC is packaged in an industry standard 11-lead TO-220
molded plastic power package designed specifically to meet
high voltage spacing requirements. See Thermal Consider-
ations section.
Features
n 15 MHz bandwidth at 130VPP output swing
n Up to 170VPP output swing with AC coupling to
cathodes
n 0V to 5V input voltage range
n Stable with 0 pF–20 pF capacitive loads and inductive
peaking networks
n Convenient TO-220 staggered thin lead package style
Applications
n AC or DC coupled DTV applications.
Connection Diagram
Schematic Diagram
20124101
FIGURE 1. Top View
Order Number LM2425TE
See NS Package Number TE11B NOPB
Available only with lead free plating
20124102
FIGURE 2. Simplified Schematic Diagram
(One Channel)
© 2004 National Semiconductor Corporation DS201241
www.national.com

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